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Blitz BZX7 manual

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Table of contents for the manual

  • Page 1

    BZX-7 3-Way Electronic Crossover Network with Subwoofer Level Control user’s manual[...]

  • Page 2

    Thank you for purchasing the Blitz High performance Electronic Crossover . Rest assured you have purchased a quality product designed and engineered to give you many years un-compromised musical ser vice. The Blitz Electronic Crossover has been designed using the latest in electronic technology available today . When you check the list of features [...]

  • Page 3

    general features precautions features and specifications system wiring mounting and installation noise check and system adjustment troubleshooting 2 3 4-5 6 7 8 9 table of contents[...]

  • Page 4

    Chrome Plated Chassis Clear Acrylic Protective Cover Green Light Illumination LED Power On Indicator Front and Rear Inputs In (Subwoofer)/ Out (Crossover/Amp) Selector and Ports Subwoofer , Mid-Range, and High Pass Outputs with Gain Controls Slope Rate: 12dB/Octave Band Pass/ High Pass Selector on Mid-Range Sub Level and Q. Selector (2-20 Variable)[...]

  • Page 5

    3 Precautions T o prevent short circuits, be sure to disconnect the negative battery ground lead before wiring the system up. When you finish the installation, be sure to make one more check to be sure ever ything is done correctly . Reinstate all car parts that were removed. Reconnect the negative battery ground lead.[...]

  • Page 6

    4 featur es and specifications[...]

  • Page 7

    5 featur es and specifications Adjustable bass boost and bass frequency (25Hz- 250Hz) Quality factor Selectable crossover frequency - Subwoofer (Low Pass) - Mid high pass - Mid low pass - High Pass Power supply Input impedance S/N ratio Slope Rate Max output signal level Channel separation Distortion Dimensions 20-2 (Variable) 40Hz-400Hz 40Hz-800Hz[...]

  • Page 8

    6 System wiring IN/OUT SIGNAL CONNECTION DIAGRAM IN/OUT SWITCH SWITCH POSITION IN OUT VIA INPUT SOURCE FRONT REAR FRONT REAR OUTPUT SUBWOOFER ON ON ON ON MID ON OFF OFF ON HIGH ON OFF OFF ON TWEETER SUBWOOFER MID-RANGE[...]

  • Page 9

    7 Mounting and installation Y our new Blitz Series crossover comes complete with all required mounting hardware. Mark the location for the mounting screw holes by positioning the crossover where you wish to install it and use a scribe (or one of the mounting screws) inserted in each of the mounting holes to mark the mounting surface. If the mountin[...]

  • Page 10

    8 Noise check and system adjustment NOISE CHECK Check the entire audio system for noise before permanently securing the CROSSOVER mounting 1. Start the engine. 2. T urn the audio system on. 3. Rev the engine and vary the VOLUME of the audio system to determine if there is any unwanted noise. If so, turn both the audio system and the engine off. Do [...]

  • Page 11

    9 TBOUBLE SHOOTING GUIDE 1. There is an audible distortion at a low volume level. PROBLEM POSSIBLE CAUSE Output levels NOT set correctly . 2. A whining sound can be heard through the speakers when the audio system is at low volume with the engine running. The whining noise remains unchanged or seems to disappear when the volume level is increased. [...]

  • Page 12

    All Blitz products are carefully constructed and thoroughly tested before shipment. Products purchased in the USA are warranted to be free of defects in material and workmanship for two (2) years from the date of purchase. This warranty is limited to the original retail purchase. Should the product fail due to factor y defects in material or workma[...]